INTERNAL SECRETION 



FIG. 3. Dog. A.C.E., morphine, curare, artificial respiration, atropin. 

 The first injection = choline. The second = saline decoction of brain. 

 (Osborne and Vincent). 



FIG. 4. Cat. A.C.E., morphine, atropin. First injection = 1 c.c. of 0-2 

 per cent, choline. The second = 1 c.c. brain decoction (Osborne and 

 Vincent). 



FIG. 6. Rabbit. A.C.E., 

 The second = 



morphine, atropin. 

 brain decoction (Osborne and Vincent). 



First injection = choline. 



